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flodel

Rating
1667.02 (349th) 		Reputation
71,946 (1,183rd)
Page: 1 ... 8 9 10 11 12 ... 21
Title Δ
R Optimizing for minimum value 0.00
Create an unknown number of subsets with specific conditions using R 0.00
Coding for the onset of an event in panel data in R 0.00
subset from a list of data.frames +0.32
difftime between 2 columns and next.row within a variable +1.41
Recursion in R, Function not working and no idea why +0.33
R generate an simple integer matrix with defined number of row and... 0.00
In R how to obtain a vector which would apply AND over all columns? -1.28
R : Check whether particular number is in the list 0.00
Logical "Except" operator for If statements in R -0.19
Rank subsets of a dataset -2.58
Select row N based on values from row N-1 across list of data frames +0.89
Blockwise sum of matrix elements -1.14
lapply and rbind not properly appending the results +0.31
How to extract a part of a matrix according to dimension names 0.00
Fastest way to create the vector of mean of a vector elements in R +0.99
Add new column with row wise maximum on multiple conditions of othe... 0.00
Consecutive NAs in a column +0.80
table by row with R +0.69
Count matches between two strings -0.21
Finding vector elements with a length longer than 1 in R +1.25
Combinations of binary values in r 0.00
Count number of paired occurrences in R? +0.31
R, rounding, ceiling and floors 0.00
selection of observations by combining criteria in R 0.00
How to exchange rows for columns in R +0.32
R code: Efficiency Issue 0.00
find combination pairs of attribute variables -2.59
Calculate sum of a column based on ranking of another column -0.73
Select first 80 observations for each level in R +1.13
R, select sequence of sub matrix from a high dimensional array 0.00
Calculate the percentages of a column in a data frame - "group... -0.19
Function that return TRUE with a given probability -0.79
In R, using `unique()` with extra conditions to extract submatrices... -0.51
In R, logical operators and formulae to extract rows from a matrix 0.00
r error in unique.default(x) unique() applies only to vectors 0.00
counting elements in a list based on another list 0.00
Creating a new list by combining element of previous list in R -0.96
Very slow assignment to vector when unnamed (becoming named) in R +0.13
Conditional counting in R -0.41
Non-greedy string regular expression matching 0.00
Add column to data frame with column names of selected options 0.00
Constraints on weight in portfolio optimization using quadprog pack... 0.00
Rewriting slow R function in C++ & Rcpp 0.00
Replace values in a sampled subset 0.00
convert data.frame to a numeric matrix +1.11
Collecting an unknown number of results in a loop +1.44
Calculating number of values less than x by row of data frame -0.88
binding a function to a list 0.00
Create list from each column of matrix in R +1.08